Volute casing for a pump



FIG. 1 is a perspective view of a first embodiment of a volute casingfor a pump in accordance with our new design;

FIG. 2 is a first side elevational view of the volute casing illustratedin FIG. 1;

FIG. 3 is a second side elevational view of the volute casingillustrated in FIG. 1

FIG. 4 is a first end elevational view of the volute casing illustratedin FIG. 15;

FIG. 5 is a second end elevational view of the volute casing illustratedin FIG. 1;

FIG. 6 is a bottom plan view of the volute casing illustrated in FIG. 1;

FIG. 7 is a top plan view of the volute casing illustrated in FIG. 1;

FIG. 8 is a perspective view of a second embodiment of a volute casingfor a pump in accordance with our new design;

FIG. 9 is a first side elevational view of the volute casing illustratedin FIG. 8;

FIG. 10 is a second side elevational view of the volute casingillustrated in FIG. 8;

FIG. 11 is a first end elevational view of the volute casing illustratedin FIG. 8;

FIG. 12 is a second end elevational view of the volute casingillustrated in FIG. 8;

FIG. 13 is a bottom plan view of the volute casing illustrated in FIG.8;

FIG. 14 is a top plan view of the volute casing illustrated in FIG. 8;

FIG. 15 is a perspective view of a third embodiment of a volute casingfor a pump in accordance with our new design;

FIG. 16 is a first side elevational view of the volute casingillustrated in FIG. 15;

FIG. 17 is a second side elevational view of the volute casingillustrated in FIG. 15;

FIG. 18 is a first end elevational view of the volute casing illustratedin FIG. 15;

FIG. 19 is a second end elevational view of the volute casingillustrated in FIG. 15;

FIG. 20 is a bottom plan view of the volute casing illustrated in FIG.15;

FIG. 21 is a top plan view of the volute casing illustrated in FIG. 15;

FIG. 22 is a perspective view of a fourth embodiment of a volute casingfor a pump in accordance with our new design;

FIG. 23 is a first side elevational view of the volute casingillustrated in FIG. 22;

FIG. 24 is a second side elevational view of the volute casingillustrated in FIG. 22;

FIG. 25 is a first end elevational view of the volute casing illustratedin FIG. 22;

FIG. 26 is a second end elevational view of the volute casingillustrated in FIG. 22;

FIG. 27 is a bottom plan view of the volute casing illustrated in FIG.22;

FIG. 28 is a top plan view of the volute casing illustrated in FIG. 22;

FIG. 29 is a perspective view of a fifth embodiment of a volute casingfor a pump in accordance with our new design;

FIG. 30 is a first side elevational view of the volute casingillustrated in FIG. 29;

FIG. 31 is a second side elevational view of the volute casingillustrated in FIG. 29;

FIG. 32 is a first end elevational view of the volute casing illustratedin FIG. 29;

FIG. 33 is a second end elevational view of the volute casingillustrated in FIG. 29;

FIG. 34 is a bottom plan view of the volute casing illustrated in FIG.29;

FIG. 35 is a top plan view of the volute casing illustrated in FIG. 29;

FIG. 36 is a perspective view of a sixth embodiment of a volute casingfor a pump in accordance with our new design;

FIG. 37 is a first side elevational view of the volute casingillustrated in FIG. 36;

FIG. 38 is a second side elevational view of the volute casingillustrated in FIG. 36;

FIG. 39 is a first end elevational view of the volute casing illustratedin FIG. 36;

FIG. 40 is a second end elevational view of the volute casingillustrated in FIG. 36;

FIG. 41 is a bottom plan view of the volute casing illustrated in FIG.36;

FIG. 42 is a top plan view of the volute casing illustrated in FIG. 36;

FIG. 43 is a perspective view of a seventh embodiment of a volute casingfor a pump in accordance with our new design;

FIG. 44 is a first side elevational view of the volute casingillustrated in FIG. 43;

FIG. 45 is a second side elevational view of the volute casingillustrated in FIG. 43;

FIG. 46 is a first end elevational view of the volute casing illustratedin FIG. 43;

FIG. 47 is a second end elevational view of the volute casingillustrated in FIG. 43;

FIG. 48 is a bottom plan view of the volute casing illustrated in FIG.43;

FIG. 49 is a top plan view of the volute casing illustrated in FIG. 43;

FIG. 50 is a perspective view of an eighth embodiment of a volute casingfor a pump in accordance with our new design;

FIG. 51 is a first side elevational view of the volute casingillustrated in FIG. 50;

FIG. 52 is a second side elevational view of the volute casingillustrated in FIG. 50;

FIG. 53 is a first end elevational view of the volute casing illustratedin FIG. 50;

FIG. 54 is a second end elevational view of the volute casingillustrated in FIG. 50;

FIG. 55 is a bottom plan view of the volute casing illustrated in FIG.50;

FIG. 56 is a top plan view of the volute casing illustrated in FIG. 50;

FIG. 57 is a perspective view of a ninth embodiment of a volute casingfor a pump in accordance with our new design;

FIG. 58 is a first side elevational view of the volute casingillustrated in FIG. 57;

FIG. 59 is a second side elevational view of the volute casingillustrated in FIG. 57;

FIG. 60 is a first end elevational view of the volute casing illustratedin FIG. 57;

FIG. 61 is a second end elevational view of the volute casingillustrated in FIG. 57;

FIG. 62 is a bottom plan view of the volute casing illustrated in FIG.57;

FIG. 63 is a top plan view of the volute casing illustrated in FIG. 57;

FIG. 64 is a perspective view of an eleventh embodiment of a volutecasing for a pump in accordance with our new design;

FIG. 65 is a first side elevational view of the volute casingillustrated in FIG. 64;

FIG. 66 is a second side elevational view of the volute casingillustrated in FIG. 64;

FIG. 67 is a first end elevational view of the volute casing illustratedin FIG. 64;

FIG. 68 is a second end elevational view of the volute casingillustrated in FIG. 64;

FIG. 69 is a bottom plan view of the volute casing illustrated in FIG.64; and,

FIG. 70 is a top plan view of the volute casing illustrated in FIG. 64.

CLAIM The ornamental design for a volute casing for a pump, as shown anddescribed.